Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 / 11.10 : libpng vulnerabilities (USN-1367-1)
High Nessus Plugin ID 57998
SynopsisThe remote Ubuntu host is missing a security-related patch.
DescriptionIt was discovered that libpng did not properly verify the embedded profile length of iCCP chunks. An attacker could exploit this to cause a denial of service via application crash. This issue only affected Ubuntu 8.04 LTS. (CVE-2009-5063)
Jueri Aedla discovered that libpng did not properly verify the size used when allocating memory during chunk decompression. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking the program. (CVE-2011-3026).
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected libpng12-0 package.